Table 1.
Characteristics of included studies.
| Author | Study design | Diagnostic criteria | Sample size | Sex ratio (male/female) | Average age (year) | Duration of illness (year) | Rating scale | Cognitive assessment scale | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Test group (MST) | Control group (ECT) | Test group (MST) | Control group (ECT) | Test group (MST) | Control group (ECT) | Test group (MST) | Control group (ECT) | |||||
| Zhang et al. [12] | Par | DSM-IV HAMD ≥ 17 | 18 | 27 | 2/16 | 5/22 | 29.00 (8.32) | 32.78 (8.84) | 3.77 (3.77) | 4.47 (5.42) | HAMD-17 | RBANS |
| El-Deeb et al. [32] | Par | DSM-IV-TR | 30 | 15RULECT 15BLECT | 13/17 | 17/13 | 23.93 (8.17) | BL25.47 (9.33) RUL30.2 (10.52) | 7.73 (5.55) | BL6 (5.41) RUL5.73 (4.03) | HAMD-21 | – |
| Paul et al. [10] | Par | HAMD > 18, DSM-IV | 18 | 19 | 10/8 | 6/13 | 44.6 (14.8) | 47.2 (16.1) | 22.7 (14.3) | 27.6 (14.4) | HAMD | – |
| Atluri et al. [31] | Par | DSM-IV | 24 | 22 | 12/12 | 8/14 | 42(13.4) | 46.8 (15.8) | 20.3 (13.7) | 19 (12) | HAMD-17 | – |
| Kayser et al. [28] | Par | DSM-IV | 10 | 10 | 7/3 | 6/4 | 45 (14) | 55 (12) | – | – | HRSD28 | – |
| Polster et al. [13] | Par | DSM-IV | 10 | 10 | 7/3 | 4/6 | 43.7 (11) | 54.7 (13) | 4.1 (4) | 3.1 (3) | – | Memory |
| Kayser et al. [29] | Cro | DSM-IV | 7 | – | 5/2 | – | 43.43 (5.59) | – | 6.29 (6.04) | – | HRSD28 | – |
| Kayser et al. [14] | Par | DSM-IV, HDRS-28 ≥ 20 | 10 | 10 | 4/6 | 3/7 | 48.80 (8.35) | 52.8 (11.43) | 6.01 (10.42) | 3.5 (4.12) | HRSD28 | Neuropsychological assessment |
| Whit et al. [30] | Par | HAMD | 10 | 10 | – | -– | 48 (4) | 49 (6) | – | – | HAMD | – |
| Lisanby et al. [16] | Cro | DSM-IV | 10 | – | – | 46.7 (10.0) | – | – | – | HRSD-24 | Neuropsychological assessment | |
Par parallel, Cro crossover, DSM-IV the Diagnostic and Statistical Manual of Mental Disorders-IV, HAMD Hamilton Depression Rating Scale for Depression, HAMD-21 Hamilton Depression Scale 21 items, HAMD-17 Hamilton Depression Scale 17 items, HRSD-24 Hamilton Rating Scale for Depression 24 items, HRSD28 Hamilton Rating Scale for Depression 28 items, RBANS Repeated Battery for the Assessment of Neuropsychological Status, RULECT right unilateral ECT, BLECT bilateral ECT.